MOTU UltraLite-mk4, Руководство пользователя

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S O F T W A R E I N S T A L L A T I O N
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MOTU Pro Audio ASIO Driver
On Windows, to enable the UltraLite-mk4 in your
ASIO host software, choose the MOTU Pro Audio
ASIO driver.
Figure 3-1: Choosing the MOTU Pro Audio ASIO driver in Cubase.
WDM / Wave driver support
On Windows, the MOTU Pro Audio driver
includes stereo and multi-channel support (up to
24 channels) for WDM (Wave) compatible audio
software.
Host Buffer Size
When connected to a Windows host, the Host
Buffer Size
menu (Figure 3-2) is available in the
Device tab (page 12). This setting determines the
amount of latency (delay) you may hear when live
audio is patched through your Windows audio
software. Smaller buffer sizes produce lower
latency, with sizes of 256 samples or less producing
virtually imperceptible delay. Many host
applications report audio hardware I/O latency, so
you can see what happens to the reported latency
when making adjustments to this setting.
Figure 3-2: Access the ‘Host Buffer Size’ and ‘Host Safety Offset’
settings in the web app Device tab for your MOTU interface.
Be careful with very small buffer sizes, as they can
cause performance issues from your host software
or PC.
☛
At sea level, audio travels approximately one
foot (30 cm) per millisecond. A latency of ten
milliseconds is about the same as being ten feet
(three meters) from an audio source.
Host Safety Offset
When connected to a Windows host, the
Host
Safety Offset
menu (Figure 3-2) also becomes
available. This setting allows you to fine tune host
latency. Larger offsets allow the driver more time to
process audio as it transfers to and from the
hardware. Lower settings produce lower latency,
but if you go too low, your host software may
experience performance issues. Generally
speaking, 48 samples should serve as a good
baseline setting. You can then experiment with
lower settings from there. Be mindful, however,
when reducing the safety offset, as this parameter
can have a significant impact on your computer
system’s performance.
MOTU DISCOVERY APP
The MOTU Discovery app (found in the Mac
menu bar or Windows taskbar) locates all MOTU
interfaces connected to the computer, either
directly through USB or on your network, and
displays them in a list. Choose the UltraLite-mk4
(or another interface) to access its settings through
the web app (“MOTU Pro Audio Control Web
App” on page 11).
MOTU PRO AUDIO WEBUI SETUP FOR
WINDOWS
On Windows, the installer provides a MOTU Pro
Audio WebUI Setup shortcut found on the
Windows desktop or in
Start menu> All Programs>
MOTU
. Use this shortcut to access the MOTU Pro
Audio Control web app directly in your favorite
web browser.